There are 45 sleeps (45 days) until December 7 (Monday, December 7, 2026).
There are 45 days until December 7 (Monday, December 7, 2026) — one sleep per night.
One sleep per night between now and the big day — tonight is the first sleep, and the morning after the last sleep is December 7. Sleeps are the same as days.
45 sleeps is 6 weeks and 3 sleeps.